Finding the Fourth Proportional to 414,329.51, 620,497.35 and 280,804.65
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Solution
The fourth proportional to 414,329.51, 620,497.35 and 280,804.65 is: 420,531.34
Step by Step Solution
- Step 1: Write the proportion equation
414,329.51 : 620,497.35 = 280,804.65 : x - Step 2: Convert to fraction form
414,329.51/620,497.35 = 280,804.65/x - Step 3: Cross multiply
414,329.51x = 620,497.35 × 280,804.65 - Step 4: Simplify right side
414,329.51x = 174,238,541,192.68 - Step 5: Solve for x
x = 174,238,541,192.68/414,329.51 - Step 6: Final answer
x = 420,531.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.